Question

Complete the statement using -

just/already/yet + verb (have) in its appropriate form:

After lunch you go to see a friend at her house.
She says: 'Would you like something to eat?'
You say: No, thank you. _____.

• A. I have already had lunch.
  
• B. I have just had lunch.
• C. I have had lunch yet.
  
• D. I has just had lunch.
  

Answer 1

Answer: (A), (B)

I have just had lunch.
I have already had lunch.

We use the present perfect tense to describe an action that stopped recently in the past or for a finished action that has an influence on the present. The given sentence describes such an event, so it will be in the present perfect tense.The syntax for present perfect is :-has (with singular subject) / have ( with plural subject ) + verb in its third form (V3). 'I' & 'You' in spite of being singular subjects take the verb forms of plural subjects.

'Just' is used when the action happened some moments before the current time. 'Already' is used with actions done sometime before the current time &
'Yet' is used with the action which has not been done until the present context of time.

Therefore, the correct answer is: 'I have just had lunch' or 'I have already had lunch'.